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Radiological features of glandular odontogenic cyst

¹ Department of Oral & Maxillofacial Surgery, Rabin Medical Center, Petah Tikva, Sackler Faculty of Medicine, Tel Aviv University, Israel; ² Department of Pathology, Rabin Medical Center, Petah Tikva, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel

*Correspondence to: Dr S Calderon, Head, Department of Oral & Maxillofacial Surgery, Rabin Medical Center, Beilinson Campus, Petah Tikva 49100, Israel; E-mail:; Email: scalderon{at}clalit.org.il

Received 4 July 2002; revised 4 March 2003; accepted 19 March 2003

Objectives: To present five new cases of glandular odontogenic cyst (GOC) and to review the radiological features at presentation as reported in the English literature.

Methods: From 1993 to 2002, five patients in our department were diagnosed with GOC based on histopathological findings and supported by radiography and CT. The radiographic features of the new GOC cases were analysed in addition to 51 literature cases.

Results: There were 31 male and 25 female patients, aged 14–90 years (mean 50 years). The mandible was involved in 80% and the maxilla in 20%; most of the lesions were located in the anterior jaw. Radiographically, 52% of the lesions were unilocular and 48% were multilocular; 94.5% showed well defined borders, which were sclerotic in 7.7% and scalloped in 13%. Information on cortical plate integrity was available in only 24 cases: 50% showed perforation, 8.3% erosion of the cortical plates and 8.3% thinning of the cortical plates. Root resorption was reported in 22% of patients and tooth displacement in 24.4%.

Conclusions: Data collected indicate that GOC has potentially aggressive behaviour, with expansion and perforation in a significant number of cases. We recommend the use of multiple plane radiographs, with CT reserved for large lesions, especially those that are multilocular or involve extragnathic structures.

Keywords: jaw, mandible, chin; odontogenic cysts; multilocular; cortical expansion